GiB/s to MB/s

1 gibibyte per second equals 1,073.741824 megabytes per second exactly.

1 gibibyte per second = 1,073.741824 megabytes per second

How to convert gibibytes per second to megabytes per second

To convert gibibytes per second to megabytes per second, multiply the number of gibibytes per second by 1,073.741824. This factor is exact. To go the other way, multiply megabytes per second by 0.0009313225746 (rounded).

megabytes per second = gibibytes per second × 1,073.741824

Example: 10 gibibytes per second = 10,737.41824 megabytes per second.

Network speeds are quoted in bits per second (lowercase b), while file sizes use bytes (uppercase B). Divide Mbps by 8 for MB/s.

About these units

Gibibyte Per Second (GiB/s)

ComputingCurrent unit

1,073,741,824 bytes per second.

Gibibytes per second belong to the top of the speed range, where memory and fast storage move data in bulk. One gibibyte per second is 1,073,741,824 bytes per second. Multiplying by 8 gives 8,589,934,592 bits per second, so it is about 8.59 decimal gigabits per second and roughly 7.4 percent more than a decimal gigabyte per second.

The gi in the name stands for gigabinary, one of the contractions proposed in 1995 by an IUPAC committee. The IEC approved the finished prefixes in December 1998 as a way to separate binary multiples from SI ones. Later editions added further prefixes, and ISO/IEC 80000-13 now carries the binary prefix definitions. A gibibyte rate is easy to confuse with a gigabit rate, because the two differ by a factor of about 8.6, so conversions between them need care.

1 gibibyte per second = 8,589,934,592 bits per second (exactly).

Sources: NIST: Prefixes for binary multiples; Wikipedia: Binary prefix; Wikipedia: Data-rate units

Megabyte Per Second (MB/s)

ComputingCurrent unit

1,000,000 bytes per second (8 Mbps). Disk and download speeds are shown in MB/s.

Megabytes per second inherit all the confusion of the megabyte itself. The word has meant 1,000,000 bytes in networking, hard drives and DVDs, 1,048,576 bytes for memory under Microsoft Windows, and 1,024,000 bytes for the 3.5-inch floppy disk marketed as 1.44 MB, which actually held 1,474,560 bytes. In 1999 the IEC defined megabyte as 10⁶ bytes and mebibyte as 2²⁰ bytes, and by the end of 2009 the IEEE, EU, ISO and NIST had adopted that standard.

As a rate, 1 MB/s is 1,000,000 bytes per second, or 8 Mbit/s. File copies, game installers and disk benchmarks usually show MB/s, while internet plans use Mbit/s, so a 100 Mbit/s plan tops out near 12.5 MB/s. As a feel for size, about one minute of 128 kbit/s MP3 audio fits in roughly 1 MB, so a link carrying 1 MB/s moves about a minute of such audio every second.

1 megabyte per second = 8,000,000 bits per second (exactly).

Sources: Wikipedia: Megabyte; NIST: Prefixes for binary multiples; Wikipedia: Data-rate units

Related conversions

See all data transfer rate units.